These are the codebooks I have created while learning to code.
Feel free to use them and reach out with suggestions - ryan.m.brenner@gmail.com.

\(\color{darkblue}{\textbf{Data Analysis}}\)

R

Python

SQL

XML

\(\color{darkblue}{\textbf{Geospatial Analysis}}\)

Spatial Data

ArcGIS/QGIS

R(ggplot/leaflet)

Python